Home / 5,553.71-7,661.91-3,666.26

Finding the Fourth Proportional to 5,553.71, 7,661.91 and 3,666.26

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Solution

The fourth proportional to 5,553.71, 7,661.91 and 3,666.26 is: 5,057.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,553.71 : 7,661.91 = 3,666.26 : x
  2. Step 2: Convert to fraction form
    5,553.71/7,661.91 = 3,666.26/x
  3. Step 3: Cross multiply
    5,553.71x = 7,661.91 × 3,666.26
  4. Step 4: Simplify right side
    5,553.71x = 28,090,515.85
  5. Step 5: Solve for x
    x = 28,090,515.85/5,553.71
  6. Step 6: Final answer
    x = 5,057.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.